This is a foldable silicone lunch box. You can use it to store food, fruit or vegetables in a refrigerator or freezer. At the same time, it is also a perfect lunch box. It is made of food grade silicone structure and foldable body, which is safe to use and easy to carry.Features:Made of food grade silicone, non-toxic and odorless, safe to use.High temperature resisting, can be used in refrigerators, microwave ovens, dishwashers.It can be folded completely to 1/3 of the original size when not in use, and 3 sizes of lunch boxes can be stacked together.When used in a microwave oven, the clip lock covers food safety and the air valve on the lid serves as a vent.Easy to clean, lightweight and portable. Ideal for food storage, easy to carry to the office, camping, hiking, picnics, etc. Specification:Condition: 100% Brand NewMaterial: Food Grade SiliconeColor: Pink, Green(optional)Temperature Resisting Range: -40-240Capacity: 350 / 500 / 800 / 1200mLFolding Size: approx. 350ml: 13.5 x 10 x 3cm / 5.3 x 4.0 x 1.2in; 500ml: 16 x 10.5 x 3cm / 6.3 x 4.1 x 1.2inch; 800ml: 18.5 x 12 x 3cm / 7.3 x 4.8 x 1.2inch; 1200ml: 21.5 x 13.5 x 3cm / 8.5 x 5.3 x 1.2inchUnfold Size: approx. 350ml: 13.5 x 10 x 6.6cm / 5.3 x 4.0 x 2.6in; 500ml: 16 x 10.5 x 6.8cm / 6.3 x 4.1 x 2.7inch; 800ml: 18.5 x 12 x 7cm / 7.3 x 4.8 x 2.8inch ;1200ml: 21.5 x 13.5 x 7.6cm / 8.5 x 5.3 x 3.0inchWeight: approx. 420gPackage List: 1 x Set of Silicone Lunch Box(4 pcs)Note:1. Do open the riser vent before putting the lunch box into microwave.2. Please allow 1-2cm error due to manual measurement, thanks for your understanding.3. Item color may be showing slightly different on your computer monitor since monitors are not calibrated same.